Photoflash lamp and multilamp unit with electrostatic protection

Details Photoflash lamp and multilamp unit with electrostatic protection Photoflash lamp and multilamp unit with electrostatic protection

1975-12-29

1977-09-20

Geoghegan, Edgar W.

Combustion

Projector and igniter for liquid or gelled fuel slug or rod,...

102 28S, 240 13, F21K 502

Patent

active

040493695

ABSTRACT:
A high-voltage type photoflash lamp having an ignition structure comprising a mass of primer material bridging a pair of lead-in wires. An insulating sleeve encloses one of the lead-in wires and a fine conductor wire is attached to and projects from the unsleeved lead-in wire to assure contact with filamentary combustible material within the envelope so as to provide electrostatic protection. When mounted in a multilamp unit, each lamp is oriented with the unsleeved lead-in wire connected to a common circuit conductor.

REFERENCES:
patent: 1868224 (1932-07-01), Schurmann
patent: 3816054 (1974-06-01), Baldrige et al.
patent: 3873261 (1975-03-01), Cote
patent: 3884615 (1975-05-01), Sobieski
patent: 3912442 (1975-10-01), Cote
patent: 3941992 (1976-03-01), Blount et al.

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